Icinga Web 2 vs Apache SkyWalking
A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Icinga Web 2
Modern web interface for the Icinga monitoring system
VS
Apache SkyWalking
APM and observability for cloud-native architectures
| Feature | Icinga Web 2 | Apache SkyWalking |
|---|---|---|
| Category | Monitoring & Status | Monitoring & Status |
| License | GPL-2.0 | Apache-2.0 |
| Language | PHP | Java |
| Setup difficulty | Medium | Hard |
| Min. RAM | 512 MB | 2,048 MB |
| Deployment | docker, bare-metal, source | docker, kubernetes, helm |
| GitHub stars | ★ 839 | ★ 24,915 |
| First released | 2014 | 2015 |
| Replaces | Nagios XI, op5 Monitor | New Relic, Datadog |
Why pick each one
Choose Apache SkyWalking if…
- Full observability suite
- Strong Apache governance
Frequently asked questions
Is Icinga Web 2 or Apache SkyWalking better?
Neither is universally better. Apache SkyWalking has the larger community, while Icinga Web 2 is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Icinga Web 2 and Apache SkyWalking free and open-source?
Yes. Icinga Web 2 is licensed under GPL-2.0 and Apache SkyWalking under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Icinga Web 2 and Apache SkyWalking with Docker?
Icinga Web 2: yes. Apache SkyWalking: yes.